Descending colon
降结肠
🧩 词语组成解析
a. 下降的, 下行的\\n[计] 递减
colon
[kəu'ləun]
n. 冒号;<解>结肠;科郎（哥斯达黎加货币单位）;
🗣️ 情景例句
World-class athletes are extremely fit.
具有国际水平的运动员体格非常好。
That's not my area, but I'll get an answer for you.
那不是我的范围，但我会为你找出答案。
both men were genuinely sorry that they had to leave.
这二位不得不离开那个荒岛时，还真的感到遗憾呢！